Xingtai NOK-CN Metal Seal Manufacturing Co., Ltd., also known by its brand name NNK, is a professional manufacturer and trading company based in Xingtai, China. Established in 2017 and building on 25 years of industry experience, the company specializes in the production of high-quality sealing solutions, including oil seals, valve stem seals, hydraulic seals, and O-rings. Their extensive product portfolio covers automotive, agricultural, and construction machinery applications, featuring specialized items such as power steering seals, brake chamber cups, cylinder head gaskets, and freeze plugs. The company operates a robust manufacturing facility equipped with 110 machines across five production lines, achieving an annual capacity of 228 million units. As an ODM and contract manufacturer, they offer comprehensive customization services, including sample-based and full-scale product development. Xingtai NOK-CN is RoHS certified and maintains rigorous quality standards, with inspections performed on all raw materials and finished goods. Serving a global clientele across North America, South America, and the Middle East, the company supports a diverse range of business partners including wholesalers, brand owners, and manufacturers. Their technical expertise extends to working with high-performance materials like FKM and EPDM to ensure durability in demanding environments.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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China Manufacturer Wholesale Oil Seal 491433 (25334) 20*30*5/6 Skeleton Oil Seal Auto Spare Parts
5·9 reviews
China Manufacturer Wholesale Oil Seal 491433 (25334) 20*30*5/6 Skeleton Oil Seal Auto Spare Parts - Buy Power Steering Oil Seal Oem Dgs 20*30*5/6
6300558/ F00558
oil Seal 20x30x5/6 Baslx27 Nbr
power Steering Pump Oil Seal Product on Alibaba.com$0.39
NNK 18.75*30*5/5.5 Wholesale Price Power Steering Oil Seal Rack Seal for Auto Parts Power Seal
5·9 reviews
Nnk 18.75*30*5/5.5 Wholesale Price Power Steering Oil Seal Rack Seal For Auto Parts Power Seal - Buy Oil Seal Steering Rack
oil Seal Steering Rack 644562 (f-00189) Snf 18.75*30*5/5.5
power Steering Oil Seals
nissan/ Mazda Product on Alibaba.com$0.2
High Quality NNK Oil Seal 18*30*6.4 / 7 Auto Power Steering Oil Seal High Pressure Power Steering Oil Seal
5·9 reviews
High Quality Nnk Oil Seal 18*30*6.4 / 7 Auto Power Steering Oil Seal High Pressure Power Steering Oil Seal - Buy Tg4p Oil Seal 18*30*6.4 / 7
tc4p Type Power Steering Oil Seal 18*30*6.4/7 (bp1134e)
power Steering Oil Seal Product on Alibaba.com$0.3
NNK Wholesale Hot-selling OEM 9828-00106 Wheel Hub Oil Seal Auto Spare Parts Auto Oil Seal for HINO
5·9 reviews
Nnk Wholesale Hot-selling Oem 9828-00106 Wheel Hub Oil Seal Auto Spare Parts Auto Oil Seal For Hino - Buy 9828-00106,Auto Oil Seal/transmission Rear Axle Oil Seal/auto Spare Parts,Auto Spare Parts/wheel Hub Oil Seal/ Hino Oil Seal Product on Alibaba.com$0.18
NNK High Pressure 30*50*10 Power Steering Rack Seal for Steering Rack Seal Kits SCJY for Auto Parts
5·9 reviews
Nnk High Pressure 30*50*10 Power Steering Rack Seal For Steering Rack Seal Kits Scjy For Auto Parts - Buy 30*50*10
power Steering Oil Seal
toyota Product on Alibaba.com$0.3
NNK Factory Wholesale Auto Oil Seal DFD 20*40*8 TF01 Auto Spare Part ZF0770 080 495 for KACO
5·9 reviews
Nnk Factory Wholesale Auto Oil Seal Dfd 20*40*8 Tf01 Auto Spare Part Zf0770 080 495 For Kaco - Buy 20*40*8/zf0770 080 495,Rear Wheel Inner Oil Seal/auto Spare Parts,Truck Oil Seal/wheel Hub Oil Seal/auto Oil Seal/ Mitsubishi Fuso Oil Seal Product on Alibaba.com$0.76
NNK Hihg Quality Auto Spare Parts Half Rubber Type NBR FKM 145*175*27 Combination Rear Wheel Oil Seal for Mercedes Benz
5·9 reviews
Nnk Hihg Quality Auto Spare Parts Half Rubber Type Nbr Fkm 145*175*27 Combination Rear Wheel Oil Seal For Mercedes Benz - Buy 145*175*27,Rear Wheel Hub Oil Seal/wheel Hub Oil Seal/combination Rear Wheel Oil Seal,Rubber Oil Seal/auto Oil Seal/auto Spare Parts/shaft Seal/radial Shaft Seal Oil Seal Product on Alibaba.com$0.3
NNK High Quality OEM SZ311-01046 Wheel Hub Oil Seal 138*152*12 TB Oil Seal Auto Parts for Isuzu
5·9 reviews
Nnk High Quality Oem Sz311-01046 Wheel Hub Oil Seal 138*152*12 Tb Oil Seal Auto Parts For Isuzu - Buy 138*152*12 /sz311-01046,Wheel Hub Oil Seal/front Wheel Hub Oil Seal/auto Spare Parts,Skeleton Oil Seal/auto Oil Seal/inner Rear Hub Oil Seal/tb Oil Seal/auto Parts Product on Alibaba.com$0.5
NNK High Quality OEM 9828-00109 Rear Crank Shaft Oil Seal 100*120*13/18 Auto Spare Parts for Hino
5·9 reviews
Nnk High Quality Oem 9828-00109 Rear Crank Shaft Oil Seal 100*120*13/18 Auto Spare Parts For Hino - Buy 9828-00109/100*120*13/18,Auto Oil Seal/rear Crank Shaft Oil Seal/auto Spare Parts,Auto Spare Parts/htc Oil Sea/ Hino Oil Seal Product on Alibaba.com$0.18
NNK Factory Wholesale OEM 04493-16030 Brake Master Cylinder Repair Kit Hydraulic Brake Parts for Toyota
5·9 reviews
Nnk Factory Wholesale Oem 04493-16030 Brake Master Cylinder Repair Kit Hydraulic Brake Parts For Toyota - Buy Brake Cup/seiken Brake Cup/04493-16030,Cylinder Rubber Repair Seal Kit/clutch Master Repair Kit,Truck Air Brake Part/clutch Wsaher Set/hydraulic Brake Parts Product on Alibaba.com$0.05
NNK High Pressure OEM 90311-19010 KOYO MHSA 19*32*6 PJ Power Steering Oil Seal for MHSA Automotive Oil Seal
5·9 reviews
Nnk High Pressure Oem 90311-19010 Koyo Mhsa 19*32*6 Pj Power Steering Oil Seal For Mhsa Automotive Oil Seal - Buy 90311-19010/19*32*6,High Pressure/rack Power Seal/power Steering Oil Seal/scjy/cnb / Gnb Tcl Scvt / Tc4p,Tc4p Oil Seal/power Steering Seal/rack Power Seal/automotive Spare Parts/ Automotive Oil Seal/steering Rack Seal Kits Product on Alibaba.com$0.2
NNK Manufacturer End Cover Plug Seal Rotary Shaft Shock Absorber Oil Seal EC Structure EC 35*7 End Cover Seal
5·9 reviews
Nnk Manufacturer End Cover Plug Seal Rotary Shaft Shock Absorber Oil Seal Ec Structure Ec 35*7 End Cover Seal - Buy Ec 35*7
end Covers Seal/ec Seal End Caps Seal/ End Cap Covers Plugs Seal/end Cap Covers Seal/ec Seals Shock Oil Seal
gearbox Gasket Ring/skeleton Oil Seal Plug End Cap/gearbox Oil Seal/ End Caps Rubber Covers Seal Product on Alibaba.com$0.3
Reviews
5.0
11 reviews
“ quick delivery (8)“ quick delivery (8)
“ With pictures (478)“ With pictures (478)
Customers
CARRERA MOTORS
20 shipments
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Certifications
RoHS
1
Restriction of Hazardous Substances
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Key export market
🇪🇨 Ecuador🇪🇨 Ecuador
🇵🇪 Peru🇵🇪 Peru
🇻🇳 Vietnam🇻🇳 Vietnam
🇧🇷 Brazil🇧🇷 Brazil
🇮🇳 India🇮🇳 India
🇧🇩 Bangladesh🇧🇩 Bangladesh
🇨🇴 Colombia🇨🇴 Colombia
🇧🇴 Bolivia🇧🇴 Bolivia
🇵🇰 Pakistan🇵🇰 Pakistan
🇹🇷 Turkey🇹🇷 Turkey
🇰🇿 Kazakhstan🇰🇿 Kazakhstan
🇲🇽 Mexico🇲🇽 Mexico
🇱🇰 Sri Lanka🇱🇰 Sri Lanka
North AmericaNorth America
South AmericaSouth America
EuropeEurope
🇪🇬 Egypt🇪🇬 Egypt
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OEM SZ311-01046 9828-01112/25/65 Factory Price Front Spare Parts TB Type 55*85*12 Wheel Hub Oil Seal for HINO Truck$0.26
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NOIC 20*30*7 Industrial Seals Skeleton Threaded Japan Quality Oil Seal TG4 NBR/FKM Oil Seals Online$7.78
Xingtai Zhenggong Machinery Parts Co., Ltd.
🇨🇳 China
11-50 peopleManufacturer
ODM manufacturer
Product customization
Low MOQ
OEM manufacturer
Description
Xingtai Zhenggong Machinery Parts Co., Ltd. is a professional manufacturer based in Xingtai, China, specializing in the design, research and development, and production of high-performance sealing solutions. Operating with a dedicated factory and four production lines, the company provides a comprehensive range of products including skeleton oil seals, hydraulic oil seals, O-rings, and various rubber, polyurethane, PTFE, and stainless steel seals. Additionally, they specialize in stamping metal gaskets and metal-coated gaskets tailored for industrial applications. With a workforce of 11 to 50 employees and an annual output value between US$1 million and US$2.5 million, the company operates under its own brand, NUKS, while offering robust OEM and ODM services to meet specific client requirements. Their products are engineered for durability and are widely utilized across diverse sectors such as coal mining, oil fields, maritime, engineering machinery, hydraulic equipment, railway locomotives, and automotive engines. Xingtai Zhenggong Machinery Parts Co., Ltd. maintains a strong focus on technical innovation, supported by an R&D team of 5 to 10 specialists capable of developing custom-shaped rubber and metal parts for international markets.